diff options
Diffstat (limited to 'src/libsystemd-bus/bus-message.c')
| -rw-r--r-- | src/libsystemd-bus/bus-message.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c index a1e6c9f973..dc85694471 100644 --- a/src/libsystemd-bus/bus-message.c +++ b/src/libsystemd-bus/bus-message.c @@ -568,6 +568,7 @@ static int message_new_reply( } t->dont_send = !!(call->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED); + t->enforced_reply_signature = call->enforced_reply_signature; *m = t; return 0; @@ -3962,6 +3963,13 @@ int bus_message_seal(sd_bus_message *m, uint64_t serial) { if (m->poisoned) return -ESTALE; + /* In vtables the return signature of method calls is listed, + * let's check if they match if this is a response */ + if (m->header->type == SD_BUS_MESSAGE_METHOD_RETURN && + m->enforced_reply_signature && + !streq(strempty(m->root_container.signature), m->enforced_reply_signature)) + return -ENOMSG; + /* If there's a non-trivial signature set, then add it in here */ if (!isempty(m->root_container.signature)) { r = message_append_field_signature(m, SD_BUS_MESSAGE_HEADER_SIGNATURE, m->root_container.signature, NULL); |